20103260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7673}}^1$

素因数の和:7813

約数の個数: 24

約数和(自身を含む): 42544656

約数和(自身を除く): 22441396

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7673, 15346, 30692, 38365, 76730, 153460, 1005163, 2010326, 4020652, 5025815, 10051630, 20103260]

約数ペア:

[(1, 20103260), (2, 10051630), (4, 5025815), (5, 4020652), (10, 2010326), (20, 1005163), (131, 153460), (262, 76730), (524, 38365), (655, 30692), (1310, 15346), (2620, 7673)]